CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Effect of the Viscosity of Silicone Oil on the Aggregation Behavior of C:F Clusters on a Silicone Oil Liquid Substrate |
DENG Yan-Hong, YE Chao**, YUAN Yuan, LIU Hui-Min, CUI Jin
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School of Physics Science and Technology, Key Laboratory of Thin Films, Soochow University, Suzhou 215006 |
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Cite this article: |
DENG Yan-Hong, YE Chao, YUAN Yuan et al 2011 Chin. Phys. Lett. 28 046601 |
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Abstract We investigate the effect of silicone oil viscosity on the aggregation behavior of C:F clusters deposited on silicone oil liquid substrates with viscous coefficients of 100, 350 and 500 mm2/s by C4F8 dual−frequency capacitively coupled plasma. The aggregated C:F clusters all exhibit a branch-like fractal structure. However, the fractal dimension decreases from 1.67 to 1.45 with the silicone oil viscous coefficient increasing from 100 mm2/s to 500 mm2/s. Owing to the fractal dimension of 1.67 and 1.45, corresponding to the diffusion-limited-aggregation (DLA) model and the cluster-cluster-aggregation (CCA) model respectively, the results show that the increase of silicone oil viscosity can lead to the change of C:F clusters aggregating on a silicone oil liquid substrate from DLA to CCA growth.
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Keywords:
66.20.+d
68.55.Jk
81.15.Lm
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Received: 09 October 2010
Published: 29 March 2011
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PACS: |
66.20.+d
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68.55.Jk
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81.15.Lm
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(Liquid phase epitaxy; deposition from liquid phases (melts, solutions, And surface layers on liquids))
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